<!DOCTYPE html>
<html>
<head>
    <title>设置CSS属性示列</title>
    <script src="./js/jquery-3.6.0.min.js" type="text/javascript"></script>
    <script type="text/javascript">
    $(document).ready(function(){
        $("button").click(function(){
            $("p").css({"font-size":"%200","background-color":"yellow","border":"6px double blue"});
        });
    });
    </script>
</head>
<body>
    <h2>单击按钮看看段落字体、背景和边框的变化！</h2>
    <p>段落内容换肤</p>
    <button type="button">段落换肤</button>
</body>
</html>